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Frage 230

What is the RMS voltage of a sine wave with a value of 17 volts peak?

  1. 8.5 volts
  2. 12 voltsRichtige Antwort
  3. 24 volts
  4. 34 volts

Erklärung

RMS is the peak value divided by the square root of two: 17 / 1.414 = 12.0 volts. The 8.5-volt distractor is simply half the peak, which is not the RMS relationship.

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Frage 230: What is the RMS voltage of a sine wave with a value of 17… · FCC General Class (Element 3) · Questena